Your friend wants to go ice skating but is afraid she'll fall. You decide to gently push her with a force of 45N a distance of 9m. What kind of work is being done by the force of friction?

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

The two required components for a generator are